Answers

Add 72/80 and 84/60

1^st number: 72/80, 2^nd number: 1 24/60

72/80 + 84/60 is 23/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 60 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   72/80 = 72 × 3/80 × 3 = 216/240
3. Likewise, for the 2nd fraction, since 60 × 4 = 240,
   84/60 = 84 × 4/60 × 4 = 336/240
4. Add the two like fractions:
   216/240 + 336/240 = 216 + 336/240 = 552/240
5. 552/240 simplified gives 23/10
6. So, 72/80 + 84/60 = 23/10
   In mixed form: 23/10

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

Add Fractions Calculator